From 2ca318878de2f22751319b2b7ccac84644583173 Mon Sep 17 00:00:00 2001
From: MartinCupela <32706194+MartinCupela@users.noreply.github.com>
Date: Fri, 21 Jun 2024 12:43:01 +0200
Subject: [PATCH] feat: load lazily mp3 encoding library for audio recorder
 (#2432)

---
 src/components/MediaRecorder/transcode/mp3.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/MediaRecorder/transcode/mp3.ts b/src/components/MediaRecorder/transcode/mp3.ts
index b0066862f..ada9c310c 100644
--- a/src/components/MediaRecorder/transcode/mp3.ts
+++ b/src/components/MediaRecorder/transcode/mp3.ts
@@ -1,4 +1,3 @@
-import { Mp3Encoder } from '@breezystack/lamejs';
 import { renderAudio, toAudioBuffer } from './audioProcessing';
 
 const ENCODING_BIT_RATE = 128; // kbps;
@@ -22,10 +21,11 @@ const splitDataByChannel = (audioBuffer: AudioBuffer) =>
   );
 
 export async function encodeToMp3(file: File, sampleRate: number) {
+  const lameJs = await import('@breezystack/lamejs');
   const audioBuffer = await renderAudio(await toAudioBuffer(file), sampleRate);
   const channelCount = audioBuffer.numberOfChannels;
   const dataByChannel = splitDataByChannel(audioBuffer);
-  const mp3Encoder = new Mp3Encoder(channelCount, sampleRate, ENCODING_BIT_RATE);
+  const mp3Encoder = new lameJs.Mp3Encoder(channelCount, sampleRate, ENCODING_BIT_RATE);
 
   const dataBuffer: Int8Array[] = [];
   let remaining = dataByChannel[0].length;